[module] using predefined REDISMODULE_NO_EXPIRE in RM_GetExpire (#7669)
[module] using predefined REDISMODULE_NO_EXPIRE in RM_GetExpire (#7669)

It was already defined in the API header and the documentation, but not used by the implementation.
neomantra/redis,oranagra/redis,soloestoy/redis,ofirluzon/redis,oranagra/redis,neomantra/redis,yossigo/redis,antirez/redis,charsyam/redis,ctripcorp/redis,yossigo/redis,neomantra/redis,yossigo/redis,oranagra/redis,ctripcorp/redis,ctripcorp/redis,soloestoy/redis,ofirluzon/redis,yossigo/redis,yossigo/redis,PKRoma/redis,PKRoma/redis,ofirluzon/redis,charsyam/redis,soloestoy/redis,antirez/redis,antirez/redis,oranagra/redis,neomantra/redis,antirez/redis,neomantra/redis,PKRoma/redis,oranagra/redis,soloestoy/redis,ofirluzon/redis,PKRoma/redis,charsyam/redis,ofirluzon/redis,ctripcorp/redis,soloestoy/redis,charsyam/redis,charsyam/redis,PKRoma/redis